Finding the Fourth Proportional to 8,852,439.09, 13,263,978.68 and 5,383,686.75
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Solution
The fourth proportional to 8,852,439.09, 13,263,978.68 and 5,383,686.75 is: 8,066,602.38
Step by Step Solution
- Step 1: Write the proportion equation
8,852,439.09 : 13,263,978.68 = 5,383,686.75 : x - Step 2: Convert to fraction form
8,852,439.09/13,263,978.68 = 5,383,686.75/x - Step 3: Cross multiply
8,852,439.09x = 13,263,978.68 × 5,383,686.75 - Step 4: Simplify right side
8,852,439.09x = 71,409,106,244,880.06 - Step 5: Solve for x
x = 71,409,106,244,880.06/8,852,439.09 - Step 6: Final answer
x = 8,066,602.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.